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Finding the Fourth Proportional to 16,657.79, 24,991.65 and 4,970.97

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Solution

The fourth proportional to 16,657.79, 24,991.65 and 4,970.97 is: 7,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.79 : 24,991.65 = 4,970.97 : x
  2. Step 2: Convert to fraction form
    16,657.79/24,991.65 = 4,970.97/x
  3. Step 3: Cross multiply
    16,657.79x = 24,991.65 × 4,970.97
  4. Step 4: Simplify right side
    16,657.79x = 124,232,742.40
  5. Step 5: Solve for x
    x = 124,232,742.40/16,657.79
  6. Step 6: Final answer
    x = 7,457.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.